//
//  CalulateManager.h
//  KVO和链式编程
//
//  Created by dihuijun on 17/4/13.
//  Copyright © 2017年 Cycle. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface CalulateManager : NSObject
/**   管理对应的值的属性 */
@property (nonatomic, assign) double result;

/**   加法 addition */
- (__kindof CalulateManager *(^)(double))add;
/**   减法  subtraction */
- (__kindof CalulateManager *(^)(double))sub;
/**   乘法 [词典]	multiplicative */
- (__kindof CalulateManager *(^)(double))mult;
/**   除法 division */
- (__kindof CalulateManager *(^)(double))divs;

@end
